This article examines the paradigm shift towards Shift Left Security in software development, highlighting the evolution from traditional security approaches to early integration methodologies. The article demonstrates how organizations have transformed their security practices by implementing security measures during the initial stages of development rather than treating them as final-phase considerations. Through analysis of multiple case studies and research findings, this article explores the benefits of early security integration, including reduced vulnerability detection times, improved operational efficiency, and enhanced team collaboration. The article also investigates the implementation frameworks, methodologies, and organizational challenges associated with this transformation, providing insights into successful mitigation strategies and best practices for security integration in modern software development lifecycles.
Keywords: DevSecOps, Security integration, shift left security, software development lifecycle, threat modeling
